Home / 793,740.60-1,191,777.30-478,812.60

Finding the Fourth Proportional to 793,740.60, 1,191,777.30 and 478,812.60

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Solution

The fourth proportional to 793,740.60, 1,191,777.30 and 478,812.60 is: 718,922.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    793,740.60 : 1,191,777.30 = 478,812.60 : x
  2. Step 2: Convert to fraction form
    793,740.60/1,191,777.30 = 478,812.60/x
  3. Step 3: Cross multiply
    793,740.60x = 1,191,777.30 × 478,812.60
  4. Step 4: Simplify right side
    793,740.60x = 570,637,987,633.98
  5. Step 5: Solve for x
    x = 570,637,987,633.98/793,740.60
  6. Step 6: Final answer
    x = 718,922.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.